noun
A fragment
thin slice, shard, sliver, shaving; see bit 1, flake, part 1.
A microcircuit
microchip, integrated circuit, semiconductor, microprocessor, silicon chip, computer on a chip.
A place where a piece has chipped off
nick, scratch, flaw; see blemish, nick.
A counter used in games
token, poker chip, counter, marker, disk, piece.
having a chip on one's shoulder*
in the chips*
when the chips are down